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Date:	Thu, 15 Feb 2007 13:35:32 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	"Tony Chung" <tchung@...liedidentity.com>
Cc:	<netdev@...r.kernel.org>
Subject: Re: sk98lin: 2 Pair Downshift detected

On Thu, 15 Feb 2007 12:49:26 -0800
"Tony Chung" <tchung@...liedidentity.com> wrote:

> Hi,
> 
> I got the following message:
> 
>         Class:  Hardware failure
>         Nr:  0x270
>         Msg:  2 Pair Downshift detected
> 
> It is from the sk98lin driver and my research indicated that it may be
> caused by bad Ethernet cable.  The gigabit port is now became 100Mbps.
> 
> My questions are:
> 1. What is 0x270 mean? Is there any link or reference for it?

It is a error code used inside driver. It looks like a bad job of internationalization
so every message is encoded as a number, then printed out.


> 2. How do you recover from it (i.e. negotiate back to 1000Mbps)?
> Reboot? Reload the driver?  Can the driver do it automatically?

Use 'ethtool -r eth0' to force PHY renegotiation or bring device
down then back up.

> 
> Thanks.
> - Tony
> -
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-- 
Stephen Hemminger <shemminger@...ux-foundation.org>
-
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